MHD093B-058-NP0-BA

MHD093B-058-NP0-BA

35730024

IC697VDR151

用戶程序存儲器用于存放用戶載入的PLC應(yīng)用程序，載入初期的用戶程序因需修改與調(diào)試，所以稱為用戶調(diào)試程序，存放在可以隨機讀寫操作的隨機存取存儲器RAM內(nèi)以方便用戶修改與調(diào)試。

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公司全稱：
福州卓凱電子科技有限公司
公司地址：
福建省福州市閩侯西江濱大道77號正榮潤園1號樓1205室

通過修改與調(diào)試后的程序稱為用戶執(zhí)行程序，由于不需要再作修改與調(diào)試，所以用戶執(zhí)行程序就被固化到EPROM內(nèi)長期使用。

　　3)數(shù)據(jù)存儲器

　　PLC運行過程中需生成或調(diào)用中間結(jié)果數(shù)據(jù)(如輸入/輸出元件的狀態(tài)數(shù)據(jù)、定時器、計數(shù)器的預(yù)置值和當(dāng)前值等)和組態(tài)數(shù)據(jù)(如輸入輸出組態(tài)、設(shè)置輸入濾波、脈沖捕捉、輸出表配置、定義存儲區(qū)保持范圍、模擬電位器設(shè)置、高速計數(shù)器配置、高速脈沖輸出配置、通信組態(tài)等)，這類數(shù)據(jù)存放在工作數(shù)據(jù)存儲器中，由于工作數(shù)據(jù)與組態(tài)數(shù)據(jù)不斷變化，且不需要長期保存，所以采用隨機存取存儲器RAM。

　　RAM是一種高密度、低功耗的半導(dǎo)體存儲器，可用鋰電池作為備用電源，一旦斷電就可通過鋰電池供電，保持RAM中的內(nèi)容。

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